|Region|Date|Label|Format|
|---|---|---|---|
|Australia[citation needed]|March 4, 2011|Warner Music Group|CD, digital download|
|United Kingdom|March 7, 2011|Atlantic Records|CD, digital download|
|France|March 7, 2011|Atlantic Records|CD, digital download|
|United States|March 8, 2011|Atlantic Records|CD, digital download|
|Canada|March 8, 2011|Warner Music Group|CD, digital download|
|Japan|March 23, 2011|CD, digital download||
|Germany|April 29, 2011|Atlantic Records|CD, digital download|
|Austria|April 29, 2011|Atlantic Records|CD, digital download|
|Switzerland|April 29, 2011|Atlantic Records|CD, digital download|

Question: how many regions had a release date after march 10, 2011?
Answer: 4